Q: What is the negative version of the number 31,509,307?
A: -31,509,307
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 31,509,305 | 31,509,306 | 31,509,308 | 31,509,309 |
| -31,509,305 | -31,509,306 | -31,509,308 | -31,509,309 |